<html>
<head>
	<meta charset="utf-8">
	<title></title>
	<style type="text/css">
		*{
			margin: 0;
			padding: 0;
		}
		.top,.bottom{
			position: fixed;
			width: 100%;
			height: 120px;
			background-color: #e5e5e5;
		}
		.top{
			top: 0;
			left: 0;
		}
		.middle{
			position: absolute;
			width: 100%;
			top: 120px;
			bottom: 120px;
		}
		.bottom{
			left: 0;
			bottom: 0;
		}
	</style>
</head>
<body>
	<div class="top"></div>
	<div class="middle">
		<iframe src="index.html" width="100%" frameborder="0" height="100%" scrolling="yes" name="iframe" ></iframe>
		
	</div>
	<div class="bottom"><a href="http://www.baidu.com" target="iframe">点我</a></div>
</body>
</html>